158023280 has 80 divisors (see below), whose sum is σ = 381832704. Its totient is φ = 60775680.

The previous prime is 158023267. The next prime is 158023297. The reversal of 158023280 is 82320851.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243917 + ... + 244563.

Almost surely, 2^158023280 is an apocalyptic number.

158023280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158023280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190916352).

158023280 is an abundant number, since it is smaller than the sum of its proper divisors (223809424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158023280 is a wasteful number, since it uses less digits than its factorization.

158023280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 158023280 is about 12570.7310845472. The cubic root of 158023280 is about 540.6385678486.

The spelling of 158023280 in words is "one hundred fifty-eight million, twenty-three thousand, two hundred eighty".